/**
 * Copyright (c) Enalean, 2018. All Rights Reserved.
 *
 * This file is a part of Tuleap.
 *
 * Tuleap is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Tuleap is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Tuleap. If not, see <http://www.gnu.org/licenses/>.
 */

 export {
    getElementSpacing,
    getElementsWidth,
    getBadgeProperties,
    getYAxisTicksSize
};

function getElementSpacing(
    elements_widths,
    element_index,
    element_padding,
    base_padding
) {
    if (element_index === 0) {
        return base_padding;
    }

    let sum = base_padding;

    for (let index = 0; index < element_index; index++) {
        sum += elements_widths[ index ] + element_padding;
    }

    return sum;
}

function getElementsWidth(selection) {
    const nodes = selection.nodes();
    return nodes.map((node) => node.getBBox().width);
}

function getBadgeProperties(badge_value_selection, padding_width, padding_height) {
    const { width, height, x } = badge_value_selection.node().getBBox();

    return {
        width : width + 2 * padding_width,
        height: height + 2 * padding_height,
        x     : x - padding_width,
        y     : - height + padding_height
    };
}

function getYAxisTicksSize(
    graph_width,
    margins_right,
    margins_left
) {
    return graph_width - margins_right - margins_left;
}
